PDF malware analysis — malicious · 7e68539416508a2d

MALICIOUS

PDF

50.2 KB Created: 2021-06-09 13:19:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 7fd84c09b78f8acb50236099e8e26f91 SHA-1: 8c0a70e999eec9b0f74f728d7707fc21bc461a3f SHA-256: 7e68539416508a2db8d0b36a722bd9ddf13f9d872db2863ba168808f31011a8e

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded links, many of which are SEO-optimized and point to pages advertising game cheats and hacks. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links, and the ML classifier strongly suggests maliciousness. The document's purpose appears to be to trick users into clicking these links, likely leading to malware downloads or phishing sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9789

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://netcdn.tw/app/431946152/roblox-jaiilbreak-cheats-game-hack PDF link annotation
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-public-park-free_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/game-stealing-service-free-roblox_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-murder-mystery-2-knife-hack_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/exploit-for-roblox-2021-cheat-engine_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-roblox-gift-card-codes-2021-not-used_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-codes-for-robux-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-giveaway_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-administrator-badge-hack_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/microsoft-free-robux_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/como-tener-anti-gravedad-en-roblox-hack-check-cashed_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/god-mode-hack-cheat-engine-roblox_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/como-recuperar-mi-cuenta-de-roblox-hackeada_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-cash-grab-simulator-cheat_GM431946152.pdfIn PDF document text
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-cheats-november-2021-dll_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000055ac.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x55AC	26716 bytes
SHA-256: `6a1a9e23c9b19dffd8d83612090a62a8949eae1254b4d1f5f3b890d228c64331`
`font_01_sfnt_off00009352.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9352	5696 bytes
SHA-256: `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`
`font_02_sfnt_off0000a063.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA063	18740 bytes
SHA-256: `4952ad025a6a037f9e7018fa49d9017cce10824523b19a360aa9499f5c7c585b`

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